scissorthumb 

When you mispronounce a word and your friends call you an idiot.

You are such a scissorthumb....the word is Canada, not canaydeuh!

scissorthumb by bread infection December 30, 2005

scissorhump 

(v) When two women rub va jay jay's, in turn looking like two scissors humping.

Marissa and Angela just went upstairs. I wonder if they are gonna scissorhump or munch rug.

scissorhump by Two tone cock January 1, 2009